CN103576315A - Display device - Google Patents
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- CN103576315A CN103576315A CN201210266856.4A CN201210266856A CN103576315A CN 103576315 A CN103576315 A CN 103576315A CN 201210266856 A CN201210266856 A CN 201210266856A CN 103576315 A CN103576315 A CN 103576315A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
Abstract
The embodiment of the invention provides a display device. The display device comprises a fixing unit, a processing unit, an image transmission unit, a display unit, a connection unit and an image collection unit, wherein the display device can be worn on the head of a user through the fixing unit, the processing unit is configured to obtain a first image to be displayed, the image transmission unit is configured to transmit the first image to the display unit, the display unit is configured to display the first image obtained through an image processing part, and the connection unit is configured to connect the fixing unit with at least the first part of the display unit. The connection unit at least has a first state, and under the first state, at least the first part of the connection unit is located in a visible region of the user and faces toward the user. The image collection unit is configured to collect a second image, and the processing unit is further configured to generate the first image according to the second image.
Description
Technical field
Embodiments of the invention relate to a kind of display device.Particularly, the present invention relates to a kind of display device that can be worn on head.
Background technology
In order to bring better viewing experience to user when reducing to take up room, and prevent that the content that user watches from being spied on by other people, proposed in recent years head-mounted display apparatus.Most of existing head-mounted display apparatus comprise the Shuangzi display unit for user's eyes.Conventionally, display device forms the structure of similar glasses.Particularly, sub-display unit in display device, processing unit are (for example, processing unit) etc. assembly is integrated in the main part of head-mounted display apparatus, main part can be supported on user's the bridge of the nose, and can main part be supported on user's left ear and auris dextra by two sway braces that are connected with main part respectively, thereby user can wear display device similarly with wearing spectacles.
Yet, because the display screen in existing head-mounted display apparatus is positioned at the viewing area in eyes the place ahead of user all the time, when user does not want to watch displaying contents, and while wishing that light is looked around environment, usually needing to take head-mounted display apparatus can clearly watch.
On the other hand, most of existing collecting devices are handheld device.When user carries out the collection of video and/or audio etc., conventionally need to lift collecting device with hand, be not easy to user and gather for a long time.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of display device, to address the above problem.
One embodiment of the present of invention provide a kind of display device, comprising: fixed cell, and wherein display device can be worn on by this fixed cell user's head; Processing unit, configuration obtains first image that will show; Image transmitting unit, configuration is sent to display unit by the first image; Display unit, configuration shows the first image that image processing section obtains; Linkage unit, configuration is connected and fixed at least first of unit and display unit, and wherein linkage unit at least has the first state, and under the first state, at least first is positioned at user's viewing area and towards user; Image acquisition units, configuration gathers the second image; Processing unit also configures according to the second image and generates the first image.
According to the display device of the embodiment of the present invention, can to environment around, carry out the collection of image, video and/or audio etc. by image acquisition units, and the image that display device can gather according to image acquisition units generates the first image, and show this first image to user.Thereby, when user wears display device and wishes to see surrounding environment, display device must not taken from the head.
In addition, according to the display device of the embodiment of the present invention, comprise image acquisition units, thereby when display device is worn on user's head, user's both hands can synchronously rotate and liberate with user's head to image acquisition units, and do not need user lifting with hand the collection that electronic equipment carries out video and image etc., facilitated user's operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, will the accompanying drawing of required use in embodiments of the invention description briefly be described below.
Fig. 1 shows the block diagram of display device according to an embodiment of the invention.
Fig. 2 a shows according to the front elevation of the display device shown in Fig. 1 exemplary essential structure, and Fig. 2 b shows according to the side view of the display device shown in Fig. 1 exemplary essential structure.
Fig. 3 a shows the vertical view that user wears the illustrative case of the display device of an example according to the present invention.
Fig. 3 b shows the vertical view that user wears the illustrative case of the display device of another example according to the present invention.
Fig. 4 shows the schematic diagram of an illustrative case of the image acquisition units of the display device shown in Fig. 1.
Fig. 5 shows the schematic diagram of another illustrative case of the image acquisition units of the display device shown in Fig. 1.
Embodiment
Hereinafter, with reference to accompanying drawing, describe the preferred embodiments of the present invention in detail.Note, in this instructions and accompanying drawing, there is substantially the same step and represent with identical Reference numeral with element, and will be omitted the repetition of explanation of these steps and element.
Below, with reference to Fig. 1, one embodiment of the present of invention electronic equipment is described.Fig. 1 shows the block diagram of display device 100 according to an embodiment of the invention.As shown in Figure 1, display device 100 comprises fixed cell 110, processing unit 120, image transmitting unit 130, display unit 140, linkage unit 150 and image acquisition units 160.
Display device 100 can be worn on head by fixed cell 110.For example, fixed cell 110 can comprise wearable components such as the helmet, headband.Processing unit 120 can obtain first image that will show.The first image can be, for example, and picture, video image or text, picture, the combination of text and picture etc.The first image that processing unit 120 can will show according to generations such as stored picture, video files.For example, the file of picture, video and so on can be stored in the internal memory of processing unit, in addition, in display device, also independently storage unit can be set, to store these files.Alternatively, processing unit 120 also can receive first image that will show from the electronic equipment of for example computing machine that is connected with display device 100 by wired or wireless mode, smart mobile phone, multimedia player and so on.For example, in processing unit, communication module can be set, with the electronic equipment from for example computing machine, smart mobile phone, multimedia player and so on, receive first image that will show, in addition, display device also can comprise the independent communication unit arranging, and receives first image that will show with the electronic equipment from for example computing machine, smart mobile phone, multimedia player and so on.Image transmitting unit 130 can be sent to display unit 140 by the first image, and the first image of display unit 140 displayable image processing element acquisitions.
Linkage unit 150 can be connected and fixed at least first of unit 110 and display unit 140.Linkage unit 150 at least has the first state.At linkage unit 150, under the first state, at least first of display unit 140 is positioned at user's viewing area and towards user.
According to an example of the present invention, can be all the time under the first state at linkage unit 150, that is,, when display device 100 is worn on user's head by fixed cell 110, at least first of display unit 140 is positioned at user's viewing area and all the time towards user.
Alternatively, according to another example of the present invention, fixed cell 110 also can have the second state.At linkage unit 150, under the second state, when display device 100 is worn on user's head by fixed cell 110, at least first of display unit 140 can remove from user's viewing area.
According to another example of the present invention, linkage unit 150 can be included under the first state, supports the support of display unit 140.In the case, image transmitting unit 130 can be arranged on the transmission line in support.Alternatively, image transmitting unit 130 also can adopt wireless transmission method by the first image transmitting to display unit 140, in the links such as support, connect up avoiding.
The length of support, width, thickness, shape or the scale of construction, can change by forms of motion such as mechanical motion or magnetostriction, for completing the position of display unit, changes and position adjustment.Under the first state, between linkage unit 150 and the plane corresponding with fixed cell 110, there is the first angle.In this example, the plane corresponding with fixed cell 110 can be that fixed cell 110 is worn the cross section of direction along user.And under the second state, linkage unit 150 also can and display unit 140 between there is the second angle.
In addition,, according to an example of the present invention, linkage unit 150 also can comprise the first hinge member and the second hinge member.For example, support can be connected with display unit and/or fixed cell by bindiny mechanisms such as slide rail or hinges, to realize the change of relative position relation.The first hinge member can connection bracket and fixed cell, and support can be turned back around the first hinge member; And the second hinge member can connection bracket and display unit, and display unit can be turned back around the second hinge member.Alternatively, linkage unit 150 also can comprise slide rail parts that connect by display unit etc.Can when being worn by forward, fixed cell 110 support be set respectively to support display unit in the position near the left ear of user and auris dextra.
In addition,, according to another example of the present invention, fixed cell also can comprise rotary part.For example, in the situation that fixed cell 110 is the helmet, under the first state, rotatable rotary part, make display unit 140 be positioned at the viewing area in eyes of user the place ahead, and under the second state, rotatable rotating part, makes display unit 140 be moved upward in the interlayer of the helmet or helmet top.
According to an example of the present invention, display unit 140 can comprise the display screen that size is less.Under the first state, display unit 140 is positioned at user's viewing area and towards user.User can directly watch by the display screen of display unit 140.In the case, at linkage unit 150, under the first state, whole display unit 140 is positioned at user's viewing area, and the display screen of display unit 140 can be towards user.In addition,, according to another example of the present invention, display unit 140 can comprise display screen and optical system.The first image that display screen can display processing unit obtains.Optical system can receive the light sending from display screen, and the light sending from display screen is carried out to light path converting, to form the amplification virtual image.According to an example of the present invention, display screen can be the miniature display screen that size is less.Optical system can receive the light sending from display screen, and the light sending from display screen is carried out to light path converting, to form the amplification virtual image.That is to say, optical system has positive refractive power, and user can watch the amplification virtual image of first image with large-size by optical system.Thereby user can know and watch the first image, and the size of the image watched of user is not subject to the restriction of the size of display unit.
For example, optical system can comprise with convex lens.Alternatively, the interference in order to reduce aberration, to avoid dispersion etc. to cause imaging, brings user better visual experience, and optical system also can form lens subassembly by a plurality of lens that comprise convex lens and concavees lens.
According to another example of the present invention, display screen and optical system can be set accordingly along the optical axis of optical system can correspondingly be arranged.In the case, when linkage unit 150 is in first state lower time, the display screen of display unit 140 and optical system are all positioned at user's viewing area, and towards user.
In addition,, according to another example of this aspect, display unit can also comprise: the first light guide member, eyeglass and the second light guide member.In optical system, receive the light sending from display screen, and the light sending from display screen is carried out light path converting, the first light guide member can be sent to light the second light guide member being arranged in eyeglass.The second light guide member can receive the light transmitting by the first light guide member, and at linkage unit 150 under the first state, to user, reflect.In the case, the first of display unit 140 can comprise eyeglass and the second light guide member.When linkage unit 150 is in first state lower time, the eyeglass of display unit 140 and the second light guide member can be positioned at user's viewing area, and towards user.
Selectively, eyeglass meets the first predetermined transmittance in the direction from inner side to outside, makes user when watching the amplification virtual image, can watch surrounding environment.On the other hand, eyeglass meets the second predetermined transmittance in the direction from outside to inner side.Can part optics be reflected or be reflected when thereby the light in environment is stronger around.
According to an example of the present invention, image acquisition units 160 can be arranged on the outside of fixed cell 110.In an embodiment of the present invention, the outside of fixed cell 110, for when it is worn on user's head, deviates from a side of user's head.Alternatively, according to another example of the present invention, image acquisition units 160 also can be arranged on display unit 140 or linkage unit 150.In addition,, according to another example of the present invention, image acquisition units 160 can comprise a plurality of image acquisition component.
For example, as mentioned above, display unit 140 can comprise the display screen that size is less, and user can directly watch by the display screen of display unit 140.In the case, image acquisition units 160 can comprise two image acquisition component, and is arranged on accordingly with user's eyes the side that display unit 140 deviates from user viewing area.Again for example, as mentioned above, display unit 140 also can comprise the first light guide member, eyeglass and the second light guide member.In the case, image acquisition units 160 can comprise two image acquisition component, and corresponding to the position of eyes of user, is arranged on upside or the downside of the eyeglass of display unit 140.Thereby image acquisition units 160 can be carried out image acquisition in the position corresponding to eyes of user, the image being gathered to guarantee approaches the scenery when user watches with eyes are actual.
Image acquisition units 160 can be set directly at the upper of fixed cell 110, display unit 140 and/or linkage unit 150.Alternatively, according to another example of the present invention, display device 100 also can comprise the ejection unit that image acquisition units is connected to fixed cell.Eject unit and can there is ejection state and collapsed state.Ejecting unit under ejection state, image acquisition units 160 is positioned at fixed cell 110 outsides, and image is opened and gathered to image acquisition units 160.And ejecting unit under collapsed state, image acquisition units is positioned at fixed cell inside, and image acquisition units is closed.
Image acquisition units 160 can gather the second image.In addition, the second image that processing unit 120 can gather according to image acquisition units 160 generates the first image, and as mentioned above, by image transmitting unit 130, is sent to display unit 140.
In addition,, according to an example of the present invention, display device 100 also can comprise regulon.Regulon can regulate the pickup area of image acquisition units according to the position of the acquisition target of image acquisition units 160.For example, user can regulate according to the position of the acquisition target of image acquisition units 160 focal length, shooting angle of the image acquisition component in image acquisition units 160 etc.Selectively, display device 100 also can comprise acquisition target positioning unit.The second image that acquisition target positioning unit can gather image acquisition units 160 carries out image recognition, for example, to determine that acquisition target wherein (, can will be positioned at the person of being taken of central area of the second image or thing as acquisition target), and the position of tracking definite acquisition target.Regulon can automatically adjust to the pickup area of image acquisition units according to the position of the determined acquisition target of acquisition target positioning unit.
According in the display device of the embodiment of the present invention, can to environment around, carry out the collection of image, video and/or audio etc. by image acquisition units, and the image that display device can gather according to image acquisition units generates the first image, and show this first image to user.Thereby, when user wears display device and wishes to see surrounding environment, display device must not taken from the head.
In addition, according to the display device of the present embodiment, comprise image acquisition units, thereby when display device is worn on user's head, user's both hands can synchronously rotate and liberate with user's head to image acquisition units, and do not need user lifting with hand the collection that electronic equipment carries out video and image etc., facilitated user's operation.
Below, with reference to Fig. 2 a and Fig. 2 b, illustrate according to the display device shown in Fig. 1 example.Fig. 2 a is the front elevation illustrating according to the display device shown in Fig. 1 exemplary essential structure, and Fig. 2 b is the side view illustrating according to the display device shown in Fig. 1 exemplary essential structure.Display device 200 comprises headband parts 210, the first sub-display unit 230 in sub-connection unit 220, first, the second sub-display unit 250 in sub-connection unit 240, second and image acquisition units 260 as shown in Figure 2 a and 2 b.In addition, display device 200 shown in Fig. 2 a and Fig. 2 b also comprises ejection unit 270.
In addition, similar with the display device 100 shown in Fig. 1, display device 200 also comprises the processing unit of the first image that acquisition will show, and the first image is sent to the image transmitting unit (not shown) of the first sub-display unit 230 and the second sub-display unit 250.According to an example of the present invention, processing unit can be arranged in headband parts 210.In addition, image transmitting unit can be arranged in the first sub-connection unit and the second sub-connection unit.
In the example shown in Fig. 2, linkage unit can comprise the first sub-connection unit 220 and the second sub-connection unit 240, and display unit can comprise the first sub-display unit 230 and the second sub-display unit 250.The second end and the second sub-display unit of the first end of the first sub-connection unit 220 connector tape members 210 and the first sub-display unit 230, the second sub-connection unit 240 connector tape members 210.As shown in Figure 2, the first sub-connection unit 220 and the second sub-connection unit 240 are symmetrical arranged with respect to headband parts 210, and similarly, the first sub-display unit 230 and the second sub-display unit 250 are also symmetrical arranged with respect to headband parts 210.The first of display unit can comprise the first subdivision that is arranged in the first sub-display unit 230 and the second subdivision that is arranged in the second sub-display unit 250.The first sub-connection unit 220 and the second sub-connection unit 240 at least have the first state.When display device 200 is worn on head by headband parts 210 by user, in the first sub-connection unit 220 and the second sub-connection unit 240, under the first state, the second subdivision that is arranged in the first subdivision of the first sub-display unit 230 and is arranged in the second sub-display unit 250 is positioned at user's viewing area and towards user.
According to an example of the present invention, the first sub-connection unit 220 can be under the first state, the first sway brace of the first sub-display unit 230, and the second sub-connection unit 240 can be under the first state, the second sway brace of the first sub-display unit 250.
According in the display device of the embodiment of the present invention, when not needing to carry out image acquisition, collecting unit folding and unfolding to the end in tape member, can have been improved to the portability of display device.
Although in the example shown in Fig. 2, the image acquisition units 260 of take is arranged on headband parts 210 as example is described, be of the present inventionly not limited to this.According to another example of the present invention, at linkage unit, can comprise the first sub-connection unit and the second sub-connection unit, and display unit can comprise in the situation of the first sub-display unit and the second sub-display unit, image acquisition units can comprise separated the first subimage collecting unit and the second subimage collecting unit arranging.Fig. 3 a shows the vertical view of illustrative case that user wears the display device 300 of an example according to the present invention.As shown in Figure 3 a, in display device 300, the corresponding setting of the first subdivision 320 of the first subimage collecting unit 310 and the first sub-display unit, and the corresponding setting of the second subdivision 340 of the second subimage collecting unit 330 and the second sub-display unit.In addition, Fig. 3 b shows the vertical view that user wears the illustrative case of the display device 300 ' of another example according to the present invention.As shown in Figure 3 b, according to another example of the present invention, image acquisition units 310 can be arranged between the first subdivision 320 and the second subdivision 330 in the second sub-display unit in the first sub-display unit.
As mentioned above, display device also can comprise that regulon is to regulate the pickup area of image acquisition units according to the position of the acquisition target of image acquisition units.In the case, according to an example of the present invention, image acquisition units can comprise rotary part and acquisition component.Fig. 4 shows the schematic diagram of an illustrative case of the image acquisition units of the display device shown in Fig. 1.As shown in Figure 4, image acquisition units comprises rotary part 410 and acquisition component 420.Rotary part 410 can be around the axle center rotation of this rotary part, and acquisition component 420 is connected with rotary part, and acquisition component can be rotated with respect to the axle center of rotary part.As shown in Figure 4, rotary part 410 can be arranged on the The Cloud Terrace on fixed cell 430, and acquisition component can be fixed on this The Cloud Terrace.In addition, rotary part 410 also can be arranged on linkage unit and/or display unit.Regulon can be according to the position adjustments rotary part of acquisition target, so that regulon carries out pan according to the position control acquisition component of acquisition target, or adjusts the collection angle of pitch etc. of acquisition component.
In addition, in the situation that display device also can comprise that regulon is to regulate the pickup area of image acquisition units according to the position of the acquisition target of image acquisition units, according to another example of the present invention, image acquisition units can comprise rotary part, reflection part and acquisition component.Fig. 5 shows the schematic diagram of another illustrative case of the image acquisition units of the display device shown in Fig. 1.As shown in Figure 5, image acquisition units comprises rotary part 510, reflection part 520 and acquisition component 530.Rotary part 510 can be arranged on fixed cell 540, and rotary part 510 can be around the axle center rotation of this rotary part, and reflection part 520 is connected with rotary part 510, and reflection part 520 can be rotated with respect to the axle center of rotary part 510.Reflection part 520 can be by display device Ambient around to acquisition component.And acquisition component 530 can receive from the light of reflection part reflection, to gather the second image.Regulon can be according to the position adjustments rotary part of acquisition target, so that regulon reflexes to the light in acquisition component 530 according to the position control reflection part 520 of acquisition target.
According in the display device of the embodiment of the present invention, when carrying out image acquisition, can to the pickup area of image acquisition units, regulate according to the position of the acquisition target of image acquisition units, to acquisition target is carried out to track up.
Those of ordinary skills can recognize, the unit of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, the composition of each example has been described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Those skilled in the art can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
It should be appreciated by those skilled in the art that can be dependent on design requirement and other factors carries out various modifications, combination, part combination and replace the present invention, as long as they are in the scope of appended claims and equivalent thereof.
Claims (10)
1. a display device, comprising:
Fixed cell, wherein said display device can be worn on by this fixed cell user's head;
Processing unit, configuration obtains first image that will show;
Image transmitting unit, configuration is sent to display unit by described the first image;
Described display unit, configuration shows described the first image that described image processing section obtains;
Linkage unit, configuration connects at least first of described fixed cell and described display unit, wherein said linkage unit at least has the first state, and under described the first state, at least described first is positioned at user's viewing area and towards described user;
Image acquisition units, configuration gathers the second image;
Described processing unit also configures according to described the second image and generates described the first image.
2. display device as claimed in claim 1, wherein
Described image acquisition units is arranged on the outside of described fixed cell.
3. display device as claimed in claim 1, also comprises:
Eject unit, configuration connects described fixed cell and described image acquisition units, has ejection state and collapsed state,
Wherein, under described ejection state, described image acquisition units is positioned at described fixed cell outside, and image is opened and gathered to described image acquisition units; And
Under described collapsed state, it is inner that described image acquisition units is positioned at described fixed cell, and described image acquisition units is closed.
4. display device as claimed in claim 1, wherein
Described linkage unit comprises the first sub-connection unit and the second sub-connection unit;
Described display unit comprises the first sub-display unit and the second sub-display unit,
Wherein said the first sub-connection unit connects first end and the described first sub-display unit of described fixed cell, and described the second sub-connection unit connects the second end and the described second sub-display unit of described fixed cell;
Described first comprises the first subdivision that is arranged in described the first sub-display unit and the second subdivision that is arranged in described the second sub-display unit.
5. display device as claimed in claim 4, wherein
Described image acquisition units comprises the first subimage collecting unit and the second subimage collecting unit;
Described the first subimage collecting unit and the corresponding setting of described the first subdivision, and described the second subimage collecting unit and the corresponding setting of described the second subdivision.
6. display device as claimed in claim 4, wherein
Described image acquisition units is between described the first subdivision and the second subdivision.
7. display device as claimed in claim 1, also comprises:
Regulon, configuration regulates the pickup area of described image acquisition units according to the position of the acquisition target of described image acquisition units.
8. display device as claimed in claim 7, wherein
Described image acquisition units comprises:
Rotary part, can be around the rotation of the axle center of this rotary part;
Acquisition component, is connected with described rotary part, and described acquisition component can be rotated with respect to the axle center of described rotary part,
Described regulon is according to rotary part described in the position adjustments of described acquisition target.
9. display device as claimed in claim 7, wherein
Described image acquisition units comprises:
Rotary part, can rotate around the axle center of this rotary part,
Reflection part, configuration is by described display device Ambient around to described acquisition component, and wherein said reflection part is connected with described rotary part, and described reflection part can be rotated with respect to the axle center of described rotary part;
Acquisition component, configuration receives from the light of described reflection part reflection, to gather described the second image,
Described regulon is according to rotary part described in the position adjustments of described acquisition target.
10. display device as claimed in claim 7, also comprises:
Acquisition target positioning unit, the position of described acquisition target is determined in configuration,
Described regulon automatically adjusts to the pickup area of described image acquisition units according to the position of the determined described acquisition target of described acquisition target positioning unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266856.4A CN103576315B (en) | 2012-07-30 | 2012-07-30 | Display device |
| US13/945,334 US9316835B2 (en) | 2012-07-30 | 2013-07-18 | Head worn display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266856.4A CN103576315B (en) | 2012-07-30 | 2012-07-30 | Display device |
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| CN103576315A true CN103576315A (en) | 2014-02-12 |
| CN103576315B CN103576315B (en) | 2017-03-01 |
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| CN201210266856.4A Active CN103576315B (en) | 2012-07-30 | 2012-07-30 | Display device |
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| US (1) | US9316835B2 (en) |
| CN (1) | CN103576315B (en) |
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| US9316835B2 (en) | 2016-04-19 |
| US20140028704A1 (en) | 2014-01-30 |
| CN103576315B (en) | 2017-03-01 |
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